HOMEVULNERABILITIESCVE-2026-49200
CRITICAL

CVE-2026-49200

CWE-532Published: May 29, 2026· Updated: May 29, 2026

10.0
CVSS v3.1
EPSS:0.05%probability of exploitation in 30 daysPercentile:15.8th

Official Description

The acer_cgi.log file in the device firmware is accessible without authentication via the web interface. This file contains cleartext login credentials (for web and Telnet), leading to unauthorized system access.

NVD Source

Risk Analysis

This critical vulnerability exposes cleartext login credentials for web and Telnet access through an unauthenticated log file accessible via the web interface. This flaw allows unauthorized system access, posing an extreme risk to confidentiality and integrity. The CVSSv4 score of 10.0 signifies the highest possible severity.

No public exploit is known for this vulnerability. The network attack vector and low attack complexity mean it is remotely exploitable without authentication.

Recommended Action

Review and update device firmware to versions that restrict unauthorized access to log files. Implement strong authentication mechanisms and regularly audit logs for suspicious activity.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2026-49200 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.None
User InteractionNone
ScopeX
Impact
Confidentiality
Integrity
Availability
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

All References (1)

→
https://community.acer.com/en/kb/articles/19673

Quick Facts

CVE IDCVE-2026-49200
CVSS Score10.0 / 10
SeverityCRITICAL
WeaknessCWE-532
CISA KEVNo
EPSS (30d)0.05%
PublishedMay 29, 2026

Related CVEs (CWE-532)

CVE-2026-22098
9.2
CVE-2026-40945
8.7
CVE-2026-0207
8.5
CVE-2026-4788
8.4
CVE-2024-30151
8.3
CVE-2026-50205
8.2

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2026-49200 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
← All Vulnerabilities·Search for CVE-2026-49200·NVD